Corsair Vengeance Performance 8GB (2 x 4GB) DDR3L 1600MHz PC3 12800 Laptop Memory Kit 1.35V/1.5V 8GB (2x4GB) DDR3L SODIMM kit for 4th Generation Intel Core i5 and i7 notebooks. Compatible with 2nd and 3rd Generation Intel Core i5 and i7 1600MHz 9-9-9-24 latency SPD Voltage 1.5,Tested Voltage 1.35 Pin Out: 204 Pin